| Countries of South America with an Empty Map | 0 | - | 4.94 | 104,841 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,484 |
| Word Chain - South America | 0 | - | 4.51 | 23,887 |
| United States Map Quiz | 0 | - | 4.98 | 4,155,454 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,558 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,152 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,550 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,021,736 |
| North America Map Quiz | 0 | - | 4.98 | 248,107 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,687 |
| Canada Provinces and Territories | 0 | - | 5.00 | 341,872 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,642 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,086 |
| Islands of the Galápagos | 0 | - | 4.54 | 4,772 |
| Famous People from South America | 0 | - | 4.15 | 21,942 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,540 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,791 |
| North American Capitals - Map Quiz | 0 | - | 4.87 | 57,806 |
| Countries of North America with an Empty Map | 0 | - | 4.99 | 94,594 |
| All First-Level Subdivisions of North America on a Map | 0 | - | 4.97 | 63,965 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,410 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,293 |
| U.S. Cities with the Most International Tourists | 0 | - | 4.88 | 75,387 |
| Cities and Towns of Massachusetts | 0 | - | 4.92 | 73,852 |
| Countries Larger Than Texas but With Fewer People | 0 | - | 4.92 | 39,866 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,388 |
| States of Mexico | 0 | - | 4.95 | 175,743 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 53,772 |
| States of Brazil | 0 | - | 4.97 | 87,793 |
| Central American Countries | 0 | - | 4.98 | 156,300 |
| Caribbean / Lesser Antilles Map Quiz | 0 | - | 4.99 | 148,145 |
| American Countries on the Pacific Coast | 0 | - | 4.80 | 49,223 |
| History of Mexico | 0 | - | 4.58 | 15,299 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,150 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,709 |
| 10 Northernmost U.S. States | 0 | - | 4.90 | 82,439 |
| Top 10 Largest U.S. States by Area | 0 | - | 4.95 | 159,856 |
| Top 10 Smallest U.S. States by Area | 0 | - | 4.98 | 177,636 |
| Top 10 Poorest U.S. States by Median Income | 0 | - | 4.86 | 125,117 |
| U.S. States with the Highest Percentage of Hispanics | 0 | - | 4.85 | 69,451 |
| Top 10 Newest U.S. States | 0 | - | 4.85 | 86,156 |
| Top 10 U.S. States Where the Rent is Too Dang High | 0 | - | 4.85 | 67,446 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,014 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,532 |
| Canada Geography Trivia | 0 | - | 4.80 | 47,516 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 98,460 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,856 |
| Australian Capitals | 0 | - | 4.92 | 62,709 |
| Largest Caribbean Islands | 0 | - | 4.07 | 16,682 |
| Famous Caribbean People | 0 | - | 4.37 | 12,609 |
| Saintly Islands of the Caribbean | 0 | - | 4.32 | 24,018 |
| Territories of the United States | 0 | - | 4.79 | 52,352 |
| Five Biggest Immigrant Groups by Decade in the US | 0 | - | 4.79 | 39,619 |
| Most Mentioned Enemies of the USA | 0 | - | 4.77 | 175,346 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,135 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 93,905 |
| New York City Geography | 0 | - | 4.42 | 33,074 |
| Canada Immigration by Country | 0 | - | 4.51 | 62,548 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,055 |
| Official European Union Languages | 0 | - | 4.97 | 238,297 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,726 |
| Europe Map Quiz | 0 | - | 5.00 | 4,758,647 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,047 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,344 |
| Caribbean Countries and Territories | 0 | - | 4.80 | 112,748 |
| Native American Tribes in the US | 0 | - | 4.72 | 25,505 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,839 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,506 |
| Asia Map Quiz | 0 | - | 4.99 | 915,588 |
| Countries of Africa | 0 | - | 5.00 | 2,533,007 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,726 |
| African East Coast | 0 | - | 4.96 | 95,937 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,752 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,574 |
| Australia Map Quiz | 0 | - | 4.95 | 344,133 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,258 |
| Pixelated Americas Map | 0 | - | 4.39 | 47,120 |
| Hispanic Last Names in the U.S. | 0 | - | 4.31 | 54,736 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,325 |
| South American Geography Quiz #1 | 0 | - | 4.62 | 32,564 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,444 |
| Top U.S. Cash Crops | 0 | - | 4.39 | 62,280 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,702 |
| Things Named For People #2 - U.S. Centric | 0 | - | 4.21 | 52,615 |
| Largest Asian-American Ethnic Groups | 0 | - | 4.11 | 40,984 |
| U.S. States with the Most Expensive Home Prices | 0 | - | 4.48 | 99,610 |
| U.S. States with the Cheapest Home Prices | 0 | - | 4.72 | 33,006 |
| Top 10 Most African-American U.S. States | 0 | - | 4.46 | 74,630 |
| Top 10 Most Asian U.S. States | 0 | - | 4.80 | 75,147 |
| Top 10 Most Obese U.S. States | 0 | - | 4.54 | 81,355 |
| Top 10 Least Obese U.S. States | 0 | - | 4.75 | 73,644 |
| Top 10 Least-Educated U.S. States | 0 | - | 4.43 | 90,815 |
| Top 10 Most-Educated U.S. States | 0 | - | 4.48 | 84,777 |
| U.S. States with the Highest Rates of Homelessness | 0 | - | 4.43 | 52,379 |
| Top 10 Most White U.S. States | 0 | - | 4.49 | 82,469 |
| Top 10 Most German U.S. States | 0 | - | 4.48 | 59,932 |
| Slowest Growing U.S. States Since 1960 | 0 | - | 4.43 | 46,867 |
| Canadian Geography on the Map | 0 | - | 4.55 | 26,308 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,975 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,618 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,746 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,197 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,931 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,015 |
| The Only European Country ... | 0 | - | 4.91 | 216,273 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,936 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,792 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,810 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,381,954 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,928 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,168 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,801 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,497 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,115 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,178 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,333 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,835 |
| African Island Countries | 0 | - | 4.96 | 101,518 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,235 |
| Australian States and Territories | 0 | - | 4.96 | 141,809 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,258 |
| Australia True or False | 0 | - | 4.87 | 56,811 |
| Flags of North and South America | 0 | - | 4.99 | 372,467 |
| South American Physical Geography | 0 | - | 4.58 | 18,333 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,698 |
| Embarrassing Chapters in US History | 0 | - | 4.17 | 33,099 |
| Top 10 U.S. States with the Lowest Life Expectancy | 0 | - | 4.61 | 45,111 |
| Top 10 U.S. States That Grow the Most Corn | 0 | - | 4.52 | 36,147 |
| Bahamas Country Quiz | 0 | - | 4.63 | 19,200 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,830 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,375 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,241,834 |
| Celtic Nations | 0 | - | 4.69 | 46,919 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,170 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,544 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,077 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,399 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,056 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,303 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,199 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,050 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,950 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,134 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,918 |
| Slavic Countries | 0 | - | 4.96 | 111,559 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,319 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,928 |
| Counties of England | 0 | - | 4.97 | 795,643 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,183 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,524 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,149 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,627 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,056 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,898 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,751 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,382 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,341 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,160 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,824 |
| Countries of the Middle East | 0 | - | 4.96 | 200,929 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,481 |
| States of India | 0 | - | 4.95 | 192,945 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,575 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,311 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,716 |
| The Only African Country ... | 0 | - | 4.99 | 129,020 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,095 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,758 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,918 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,086 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.87 | 55,722 |
| Flags of Oceania | 0 | - | 5.00 | 258,585 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,289 |
| Australia Cities Map Quiz | 0 | - | 4.83 | 145,309 |
| Australia Country Quiz | 0 | - | 4.43 | 69,560 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,503 |
| Regions of New Zealand | 0 | - | 4.85 | 28,472 |
| The Only American Country ... | 0 | - | 4.92 | 121,485 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,018 |
| Places Mentioned in the Song "Kokomo" | 0 | - | 4.44 | 17,015 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,385 |
| USA Tourist Attractions by Description #1 | 0 | - | 4.14 | 27,111 |
| Which Island in the United States? | 0 | - | 4.29 | 29,471 |
| American Foods | 0 | - | 3.66 | 39,366 |
| Biggest U.S. Car Insurance Companies | 0 | - | 4.26 | 6,128 |
| Countries Across the Ocean from the U.S. | 0 | - | 3.95 | 32,242 |
| U.S. Landmarks Picture Quiz | 0 | - | 4.26 | 14,739 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,313 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,881 |
| Old West History | 0 | - | 4.34 | 15,267 |
| Life of Benjamin Franklin | 0 | - | 4.24 | 6,517 |
| American Revolution - Multiple Choice | 0 | - | 4.34 | 19,920 |
| U.S. History Multiple Choice #3 | 0 | - | 4.43 | 24,716 |
| US States Quiz | 0 | - | 5.00 | 16,850,265 |
| Top 10 U.S. States with the Highest Life Expectancy | 0 | - | 4.33 | 41,652 |
| U.S. States with the Most Gun Ownership | 0 | - | 4.45 | 29,674 |
| U.S. States with Oldest Median Age | 0 | - | 4.33 | 42,543 |
| Top 10 U.S. States with the Longest Commutes | 0 | - | 4.28 | 44,372 |
| US States with the Most Executions | 0 | - | 4.51 | 26,389 |
| Top 10 U.S. States with the Most Lighthouses | 0 | - | 4.61 | 29,050 |
